package day04;

import day05.Study;

public class Test {
public static void main(String[] args) {
	//调用study class下的空参构造
	Study s = new Study();
	System.out.println(s);
	//调用4参构造
	Study e = new Study("1","3","1","3");
	System.out.println(e);
}
	
}
